Pneumatic device for dismounting and mounting pin shaft of track shoe

Abstract

The invention discloses a pneumatic device for dismounting and mounting a track shoe pin shaft, the pneumatic device for dismounting and mounting the track shoe pin shaft comprises a lifting frame main body and a lifting frame adjusting arm, the lifting frame adjusting arm moves up and down along the lifting frame main body, a transverse adjusting arm is arranged on the lifting frame adjusting arm, and a pneumatic hammer is arranged on the transverse adjusting arm in a sliding manner; the pneumatic hammer moves up and down along the lifting frame main body; the lifting frame body is connected with a supporting bottom frame, the supporting bottom frame is provided with an air storage conversion tank, the air storage conversion tank is connected with a pneumatic hammer, and the pneumatic hammer knocks a pin shaft between the two track shoes so that the pin shaft can be mounted or dismounted. According to the pneumatic device for dismounting and mounting the track shoe pin shaft, the different heights are adjusted through the lifting frame, continuous hammering of the track pin shaft is achieved, boosting air of the air storage conversion tank is utilized, the pneumatic hammer moves in the directional direction, the situation that personnel assist in completing the hammering work of the pin shaft is reduced, the labor intensity and the risk of occupational hazards are reduced, and the working efficiency is remarkably improved.

Description

Technical Field

[0001] The invention belongs to the technical field of large-scale mechanical engineering, and in particular relates to a pneumatic device for disassembling and assembling a track plate pin shaft. Background Art

[0002] At present, there are many large and small crawler cranes on the construction site. After the track plates are worn and elongated, the track plates need to be disassembled and installed when the supporting wheels, sprocket wheels, supporting wheels, guide wheels, driving wheels, etc. are repaired, that is, the pins between the track plates need to be disassembled or installed.

[0003] During disassembly or installation, the pins of the track shoes will have slight plastic deformation due to long-term tensile wear, and it takes 2-3 hours to complete the operation by manual hammering. Due to the small diameter of the track pins and limited space, there are safety risks of inaccurate hammering and empty hammering when personnel hammer between the track shoes, and the construction efficiency is low.

[0004] Therefore, it is urgent to design a pneumatic device for disassembling and assembling the pin shaft of the track shoe to solve the problem of disassembling or installing the pin shaft of the track shoe mentioned above. Summary of the invention

[0005] In order to solve the technical problems mentioned in the background technology that the track pin shaft has a small diameter and limited space, there are safety risks of inaccurate hammering and empty hammering when personnel hammer between track plates, and the construction efficiency is low, a pneumatic device for disassembling and assembling the track plate pin shaft is provided to solve the above problems.

[0006] To achieve the above-mentioned purpose, the specific technical scheme of the pneumatic device for disassembling and assembling the track plate pin of the present invention is as follows: A pneumatic device for disassembling and assembling a track plate pin shaft comprises a lifting frame main body and a lifting frame adjusting arm, the lifting frame adjusting arm moves up and down along the lifting frame main body, a lateral adjusting arm is provided on the lifting frame adjusting arm, a pneumatic hammer is slidably provided on the lateral adjusting arm, so that the pneumatic hammer moves up and down along the lifting frame main body; a supporting chassis is connected to the lifting frame main body, an air storage conversion tank is provided on the supporting chassis, the air storage conversion tank is connected to the pneumatic hammer, and the pneumatic hammer strikes the pin shaft between two track plates to install or remove the pin shaft.

[0007] Furthermore, a lifting guide rail is provided on the lifting frame body, and the lifting frame adjusting arm slides up and down along the lifting guide rail.

[0008] Furthermore, a lifting winch is provided on the supporting chassis, a steel wire rope is connected to the lifting winch, and one end of the steel wire rope away from the lifting winch is connected to the lifting frame adjusting arm so that the lifting frame adjusting arm moves up and down.

[0009] Furthermore, a connecting frame is arranged between the supporting base frame and the lifting frame body, a guide pulley is arranged on the connecting frame, and one end of the steel wire rope extending out of the lifting winch is connected to the lifting frame adjusting arm along the guide pulley.

[0010] Furthermore, a lifting hole is provided on the adjusting arm of the lifting frame, the wire rope is connected to the lifting hook, and the lifting hook is connected to the lifting hole of the adjusting arm of the lifting frame.

[0011] Furthermore, positioning plates are symmetrically provided at the ends of the lateral adjustment arms, and track shoes are clamped in the two positioning plates. The pin shaft between the two track shoes and the pneumatic hammer are located on the same horizontal line so that the pneumatic hammer can hit the pin shaft.

[0012] Furthermore, a guide rail groove is opened along the length direction of the lateral adjustment arm, and the pneumatic hammer is connected with a support rod, which is arranged in the guide rail groove so that the pneumatic hammer can slide along the lateral adjustment arm.

[0013] Furthermore, a cylinder is fixedly connected to the pneumatic hammer, and the cylinder is connected to the air storage conversion tank to enable the pneumatic hammer to move.

[0014] Furthermore, a guide rod is hinged at one end of the cylinder, and an end of the guide rod away from the cylinder is hinged on the lateral adjustment arm to limit the lateral movement of the pneumatic hammer.

[0015] Furthermore, a guide wheel and a universal wheel are provided at one end of the lifting frame body away from the lifting frame adjusting arm to move the lifting frame body.

[0016] The pneumatic device for disassembling and assembling the track plate pin of the present invention has the following advantages: By adjusting different heights through the lifting frame, the track pin can be hammered continuously, and the booster gas in the gas storage conversion tank can be used to move the pneumatic hammer in a directional manner, reducing the need for personnel to assist in the hammering of the pin, reducing labor intensity and the risk of occupational hazards. This application can accurately and continuously hammer the pin, significantly improving work efficiency and avoiding the need to manually hammer to remove or install the track plate pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the pneumatic device for disassembling and assembling the track shoe pin shaft of the present invention; Figure 2 A schematic diagram of the connection between the air storage conversion tank and the air cylinder of the pneumatic device for disassembling and assembling the track shoe pin of the present invention; Figure 3 It is a partial schematic diagram of the pneumatic device for disassembling and assembling the track shoe pin shaft of the present invention.

[0018] Description of the markings in the figure: 1. Lifting frame body; 2. Lifting frame adjustment arm; 3. Lateral adjustment arm; 4. Pneumatic hammer; 5. Support frame; 6. Gas storage conversion tank; 7. Lifting guide rail; 8. Lifting winch; 9. Wire rope; 10. Connecting frame; 11. Guide pulley; 12. Hook; 13. Positioning plate; 14. Guide rail groove; 15. Support rod; 16. Cylinder; 17. Guide rod; 18. Guide wheel; 19. Universal wheel; 20. Forklift bracket. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0020] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0021] Please refer to the attached Figure 1 To Attachment Figure 3 The invention describes a pneumatic device for disassembling and assembling a track shoe pin shaft.

[0022] like Figure 1 As shown, the pneumatic device for disassembling and assembling the track plate pin shaft in the present invention comprises a lifting frame body 1 and a lifting frame adjusting arm 2, the lifting frame adjusting arm 2 moves up and down along the lifting frame body 1, a lateral adjusting arm 3 is provided on the lifting frame adjusting arm 2, a pneumatic hammer 4 is slidably provided on the lateral adjusting arm 3, so that the pneumatic hammer 4 moves up and down along the lifting frame body 1; a supporting chassis 5 is connected to the lifting frame body 1, an air storage conversion tank 6 is provided on the supporting chassis 5, the air storage conversion tank 6 is connected to the pneumatic hammer 4, and the pneumatic hammer 4 strikes the pin shaft between the two track plates to install or remove the pin shaft.

[0023] By adjusting different heights of the lifting frame body 1, the track pin shaft can be continuously hammered, and the booster gas of the gas storage conversion tank 6 is used to move the pneumatic hammer 4 in a directional manner, thereby reducing the number of personnel assisting in completing the hammering of the pin shaft, reducing labor intensity and the risk of occupational hazards. The present application can accurately and continuously hammer the pin shaft, significantly improving work efficiency, and avoiding the need to manually hammer the track plate pin shaft.

[0024] Further, if Figure 1 and Figure 2As shown, a lifting guide rail 7 is provided on the lifting frame body 1, and the lifting frame adjusting arm 2 slides up and down along the lifting guide rail 7; a lifting winch 8 is provided on the supporting base frame 5, and a steel wire rope 9 is connected to the lifting winch 8, and one end of the steel wire rope 9 away from the lifting winch 8 is connected to the lifting frame adjusting arm 2, so that the lifting frame adjusting arm 2 moves up and down; a connecting frame 10 is erected between the supporting base frame 5 and the lifting frame body 1, and a guide pulley 11 is provided on the connecting frame 10, and one end of the steel wire rope 9 extending out of the lifting winch 8 is connected to the lifting frame adjusting arm 2 along the guide pulley 11; a lifting hole is provided on the lifting frame adjusting arm 2, and the steel wire rope 9 is connected to the hook 12, and the hook 12 is connected to the lifting hole of the lifting frame adjusting arm 2.

[0025] In this embodiment, the lifting frame body 1 is arranged vertically to the ground, and the inner wall of the lifting frame body 1 is symmetrically provided with lifting guide rails 7. The lifting frame adjusting arm 2 slides up and down along the lifting guide rails 7 of the lifting frame body 1. Preferably, the lifting frame body 1 is a channel steel, which plays a supporting, stabilizing and guiding role, and enables the lifting frame adjusting arm 2 to slide along the notch of the channel steel while meeting the overall rigidity of the device.

[0026] A lifting winch 8 is fixedly arranged on the supporting base frame 5, and a steel wire rope 9 is wound on the lifting winch 8. One end of the steel wire rope 9 is connected to a hook 12, and the hook 12 is connected to a lifting hole of the lifting frame adjusting arm 2. Preferably, a connecting frame 10 is fixedly arranged between the supporting base frame 5 and the lifting frame body 1, and the connecting frame 10 is erected between the supporting base frame 5 and the lifting frame body 1, and the connecting frame 10 is L-shaped as a whole.

[0027] Furthermore, as a preferred embodiment, the lifting winch 8 is a self-locking manual winch with a single handle, the winch has a ratchet self-locking component, the retraction and extension conversion can be adjusted by a conversion switch, and there is a self-locking mounting pin.

[0028] Two guide pulleys 11 are arranged on the connecting frame 10 at intervals, and the wire rope 9 is connected to the two guide pulleys 11, so that the wire rope 9 is connected to the lifting frame adjusting arm 2 along the guide pulleys 11, thereby realizing that the lifting winch 8 drives the lifting frame adjusting arm 2 to move up and down.

[0029] Further, if Figure 1 and Figure 2 As shown, positioning plates 13 are symmetrically provided at the end of the lateral adjustment arm 3, and track shoes are clamped in the two positioning plates 13. The pin shaft between the two track shoes and the pneumatic hammer are located on the same horizontal line so that the pneumatic hammer 4 can hit the pin shaft; a guide rail groove 14 is opened along the length direction of the lateral adjustment arm 3, and the pneumatic hammer 4 is connected to a support rod 15, which is arranged in the guide rail groove 14 so that the pneumatic hammer 4 can slide along the lateral adjustment arm 3.

[0030] In this embodiment, preferably, the positioning plates 13 are fixedly connected at the ports at both ends of the lateral adjustment arm 3, the two positioning plates 13 are located on the same horizontal line, the positioning plates 13 are U-shaped opening plates, and the track plates are arranged in the U-shaped openings of the positioning plates 13, thereby ensuring that the track plates in the positioning plates 13 are located on the same horizontal line, and the pneumatic hammer 4 strikes the pin shaft between the two track plates, thereby realizing the installation or removal of the pin shaft between the two track plates.

[0031] As another preferred embodiment, the positioning plate 13 is trapezoidal in shape, and has a strip-shaped through hole penetrating the bottom edge of the trapezoid, and the through hole is symmetrical up and down; the rear end of the positioning plate 13 is fixedly connected to an extension guide rail to facilitate the installation of the positioning plate 13 on the track plate, and the positioning plate 13 can be plugged into the track plate and can be fixed to the prefabricated hole of the track plate with fixing bolts to ensure that the positioning plate 13 is fixed to the track plate, so that the track plate does not move when the pneumatic hammer 4 strikes the pin shaft.

[0032] Preferably, a guide rail groove 14 is symmetrically opened on the inner side of the lateral adjustment arm 3 along the length direction of the lateral adjustment arm 3 , and the pneumatic hammer 4 is slidably set on the guide rail groove 14 through a fixedly connected support rod 15 to achieve lateral movement of the pneumatic hammer 4 .

[0033] Further, if Figure 1 and Figure 3 As shown, a cylinder 16 is fixedly connected to the pneumatic hammer 4, and the cylinder 16 is connected to the air storage conversion tank 6 to move the pneumatic hammer 4; a guide rod 17 is hinged at one end of the cylinder 16, and the end of the guide rod 17 away from the cylinder 16 is hinged on the lateral adjustment arm 3 to limit the lateral movement of the pneumatic hammer 4; a guide wheel 18 and a universal wheel 19 are provided at the end of the lifting frame body 1 away from the lifting frame adjustment arm 2 to move the lifting frame body 1.

[0034] In this embodiment, a cylinder 16 is fixedly connected to the pneumatic hammer 4. Preferably, the cylinder 16 is arranged along the length direction of the pneumatic hammer 4. The upper and lower chambers of the cylinder 16 are provided with pneumatic joints for quick connection. The cylinder 16 is connected to the gas storage conversion tank 6 through the pneumatic joint, and the pneumatic hammer 4 is driven to move through the gas storage conversion tank 6. The gas storage conversion tank 6 is composed of a high-strength gas storage tank, which has three relative outlets and a pressure relief valve. A detachable quick connector device is installed on the gas outlet, and the pressure relief pressure of the pressure limiting valve is 10Mpa.

[0035] Preferably, a guide rod 17 is hinged at one end of the cylinder 16 away from the pneumatic hammer 4 for striking, and the guide rod 17 is hinged on the lateral adjustment arm 3 at one end away from the cylinder 16. The guide rod 17 moves with the pneumatic hammer 4 during the striking process of the pneumatic hammer 4 and prevents the pneumatic hammer 4 from flying out of the lateral adjustment arm 3, thereby limiting the stroke of the pneumatic hammer 4.

[0036] As a preferred embodiment, the lifting frame body 1 is provided with a forklift bracket 20. When the device is loaded or transported over long distances, the forklift bracket 20 is picked up by a forklift to move the device as a whole, and walking guide wheels 18 and walking universal wheels 19 are spaced apart at the bottom end of the lifting frame body 1 to achieve a small range of movement of the entire device.

[0037] The working principle of the pneumatic device for disassembling and assembling the track shoe pin in this application is as follows: First, place the device at the location of the track shoe pin that needs to be installed or removed; Then, the vertical height of the pneumatic hammer 4 is adjusted by the lifting winch 8, so that the track shoe and the positioning plate 13 are at the same height, and the track shoe is fixed on the positioning plate 13; Then, the lifting winch 8 is locked, and the cylinder 16 of the pneumatic hammer 4 is connected to the air storage conversion tank 6, driving the pneumatic hammer 4 to move along the lateral adjustment arm 3 to strike the pin between the track shoes; Finally, after use, reverse the operation to complete the disassembly.

[0038] The pneumatic device based on the disassembly and assembly of the track plate pin shaft adjusts different heights through the lifting frame body 1 to achieve continuous hammering of the track plate pin shaft, and uses the booster gas of the gas storage conversion tank 6 to make the pneumatic hammer 4 move in a directional direction, reducing the number of personnel assisting in completing the hammering of the pin shaft, reducing labor intensity and the risk of occupational hazards. The present application can accurately and continuously hammer the pin shaft, significantly improve work efficiency, and avoid disassembling or installing the track plate pin shaft by manual hammering.

[0039] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A pneumatic device for disassembling and assembling a track shoe pin, characterized in that: It includes a lifting frame body and a lifting frame adjusting arm. The lifting frame adjusting arm moves up and down along the lifting frame body. A lateral adjusting arm is provided on the lifting frame adjusting arm. A pneumatic hammer is slidably provided on the lateral adjusting arm so that the pneumatic hammer can move up and down along the lifting frame body. A supporting chassis is connected to the lifting frame body. An air storage conversion tank is provided on the supporting chassis. The air storage conversion tank is connected to the pneumatic hammer. The pneumatic hammer knocks the pin shaft between the two track shoes to install or remove the pin shaft.

2. The pneumatic device for disassembling and assembling the track shoe pin according to claim 1, characterized in that: A lifting guide rail is arranged on the lifting frame body, and the lifting frame adjusting arm slides up and down along the lifting guide rail.

3. The pneumatic device for disassembling and assembling the track shoe pin according to claim 1, characterized in that: A lifting winch is arranged on the supporting base frame, and a steel wire rope is connected to the lifting winch. One end of the steel wire rope away from the lifting winch is connected to the lifting frame adjusting arm, so that the lifting frame adjusting arm moves up and down.

4. The pneumatic device for disassembling and assembling the track shoe pin according to claim 3, characterized in that: A connecting frame is arranged between the supporting base frame and the lifting frame body, a guide pulley is arranged on the connecting frame, and one end of the steel wire rope extending out of the lifting winch is connected to the lifting frame adjusting arm along the guide pulley.

5. The pneumatic device for disassembling and assembling the track shoe pin according to claim 4, characterized in that: A lifting hole is arranged on the adjusting arm of the lifting frame, the steel wire rope is connected with the lifting hook, and the lifting hook is connected to the lifting hole of the adjusting arm of the lifting frame.

6. The pneumatic device for disassembling and assembling the track shoe pin according to claim 1, characterized in that: Positioning plates are symmetrically arranged at the ends of the transverse adjustment arms, track shoes are clamped in the two positioning plates, and the pin shaft between the two track shoes and the pneumatic hammer are located on the same horizontal line so that the pneumatic hammer can hit the pin shaft.

7. The pneumatic device for disassembling and assembling the track shoe pin according to claim 6, characterized in that: A guide rail groove is opened along the length direction of the transverse adjustment arm, and the pneumatic hammer is connected with a support rod, which is arranged in the guide rail groove so that the pneumatic hammer can slide along the transverse adjustment arm.

8. The pneumatic device for disassembling and assembling the track shoe pin according to claim 6, characterized in that: A cylinder is fixedly connected to the pneumatic hammer, and the cylinder is connected to the air storage conversion tank to enable the pneumatic hammer to move.

9. The pneumatic device for disassembling and assembling the track shoe pin according to claim 8, characterized in that: A guide rod is hinged at one end of the cylinder, and an end of the guide rod away from the cylinder is hinged on a lateral adjustment arm to limit the lateral movement of the pneumatic hammer.

10. The pneumatic device for disassembling and assembling the track shoe pin according to claim 1, characterized in that: A guide wheel and a universal wheel are arranged at one end of the lifting frame body away from the lifting frame adjusting arm so as to move the lifting frame body.

Images